Bayes' theorem is primarily used to: MCQ with Answer and Explanation

Bayes' theorem is primarily used to:
A. Update the probability of a hypothesis based on new evidence
B. Compute the expected value of a random variable
C. Determine if two events are mutually exclusive
D. Calculate the probability of the union of events
Answer: Option A
Solution (By JKSSB Mock Tests)
Bayes' theorem allows revising prior probabilities of hypotheses in light of new data or evidence, making it fundamental in statistical inference and decision-making under uncertainty.

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Practice More Statistics Questions

Question #1
If a population has a high infant mortality rate, its life expectancy at birth is likely:
A. High
B. Low
C. Unaffected
D. Equal to fertility

Correct Answer: Option B


Explanation:
High infant deaths reduce the average life expectancy.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Gross Reproduction Rate (GRR) ignores:
A. Female births
B. Fertility
C. Mortality
D. Male births

Correct Answer: Option C


Explanation:
GRR does not account for the mortality of women; it measures potential reproduction.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Gross Reproduction Rate (GRR) considers births of:
A. Female children only
B. Male children only
C. All children
D. First child only

Correct Answer: Option A


Explanation:
GRR is the average number of daughters a woman would bear, ignoring mortality.

This question belongs to: Accountancy and Statistics Statistics